CPD Weathering steel bridges

Since the production of this video in 2012, Tata Steel have sold their 'Long Products' business, so the open section mills (i.e. for UB, UC and PFCs etc.) are now owned by British Steel, and the plate mills are now owned by Liberty Steel. Click here for the latest information on the availability of weathering steel products in the UK.

The C5I and C5M environmental classifications to ISO 12944-2 have changed in the latest (2017) version. The latest 'C5' classifications and descriptions are available here.